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Quantum mechanics on sharply bent wires via two-interval Sturm-Liouville theory

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Author(s):
Pitelli, Joao Paulo M. ; Mosna, Ricardo A. ; Souto, Felipe Felix
Total Authors: 3
Document type: Journal article
Source: Journal of Mathematical Physics; v. 65, n. 6, p. 12-pg., 2024-06-01.
Abstract

We study quantum mechanics on the limiting case of a highly curved wire by approximating the physics around the curved region by three boundary condition parameters coming from the two-interval Sturm-Liouville theory. Since the geometric potential in this case is strong and non-integrable, these parameters depend crucially on the regularization of the curve. Hence, unless we know precisely the shape of the curve, any physical prediction is meaningless. In this context, the method presented in this paper becomes not only a useful approximation, but also a necessary scheme to deal with quantum mechanics on highly curved wires and (possibly) corners. (AU)

FAPESP's process: 22/07958-4 - Quantization of fields in spacetimes with boundaries
Grantee:João Paulo Pitelli Manoel
Support Opportunities: Regular Research Grants